<template>
  <div class="building-container">
    <!-- 搜索区域 -->
    <div class="search-container">
      <div class="search-label">企业名称：</div>
      <el-input v-model="params.name" clearable placeholder="请输入内容" class="search-main" />
      <el-button type="primary" @click="doSearch">查询</el-button>
    </div>
    <div class="create-container">
      <el-button type="primary" @click="$router.push('/enterpriseAdd')">添加企业</el-button>
    </div>
    <!-- 表格区域 -->
    <div class="table">
      <el-table style="width: 100%" :data="exterpriseList" @expand-change="expandHandle">
        <!-- 新增：展开部分 -->
        <el-table-column type="expand">
          <template #default="{row}">
            <el-table :data="row.rentList">
              <el-table-column label="租赁楼宇" width="320" prop="buildingName" />
              <el-table-column label="租赁起始时间" prop="startTime" />
              <el-table-column label="合同状态" prop="status">
                <template #default="scope">
                  <el-tag :type="formatInfoType(scope.row.status)">
                    {{ formatStatus(scope.row.status) }}
                  </el-tag>
                </template>
              </el-table-column>
              <el-table-column label="操作" width="180">
                <template #default="scope">
                  <el-button size="mini" type="text">续租</el-button>
                  <el-button size="mini" type="text" @click="outRent(scope.row.id)">退租</el-button>
                  <el-button size="mini" type="text" @click="delRent(scope.row.id)">删除</el-button>
                </template>
              </el-table-column>
            </el-table>
          </template>
        </el-table-column>
        <el-table-column type="index" label="序号" />
        <el-table-column prop="name" label="企业名称" width="320" />
        <el-table-column prop="contact" label="联系人" />
        <el-table-column prop="contactNumber" label="联系电话" />
        <el-table-column label="操作">
          <template #default="scope">
            <el-button size="mini" type="text" @click="openDialog(scope.row.id)">添加合同</el-button>
            <el-button size="mini" type="text" @click="$router.push(`/enterpriseDetail?id=${scope.row.id}`)">查看</el-button>
            <el-button size="mini" type="text" @click="editRent(scope.row.id)">编辑</el-button>
            <el-button size="mini" type="text" @click="delExterprise(scope.row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <!-- 添加合同 -->
    <el-dialog title="添加合同" width="580px" :visible="showDialog" @close="closeDialog">
      <!-- 合同表单模版 -->
      <div class="form-container">
        <el-form ref="addFormRef" :model="rentForm" :rules="rules" label-position="top">
          <el-form-item label="租赁楼宇" prop="buildingId">
            <el-select v-model="rentForm.buildingId" placeholder="请选择">
              <el-option
                v-for="item in buildList"
                :key="item.id"
                :label="item.name"
                :value="item.id"
              />
            </el-select>
          </el-form-item>
          <el-form-item label="租赁起止日期" prop="rentTime">
            <el-date-picker
              v-model="rentForm.rentTime"
              type="daterange"
              range-separator="至"
              start-placeholder="开始日期"
              end-placeholder="结束日期"
              value-format="yyyy-MM-dd"
            />
          </el-form-item>
          <el-form-item label="租赁合同" prop="contractId">
            <el-upload action="#" :http-request="uploadHandle" :before-upload="beforeUpload" :file-list="contractList">
              <el-button size="small" type="primary" plain>上传合同文件</el-button>
              <div slot="tip" class="el-upload__tip">支持扩展名：.doc .pdf, 文件大小不超过5M</div>
            </el-upload>
          </el-form-item>
        </el-form>
      </div>
      <template #footer>
        <el-button size="mini" type="primary" @click="confirmAdd">确 定</el-button>
        <el-button size="mini" type="danger" @click="closeDialog">取 消</el-button>
      </template>
    </el-dialog>
    <div class="page-container">
      <el-pagination
        layout="total, prev, pager, next"
        :total="total"
        :page-size="params.pageSize"
      />
    </div>
  </div>
</template>
<script>
import { delRentAPI, outRentAPI, createRentAPI, getEnterpriseListAPI, delEnterpriseAPI, getRentBuildListAPI, uploadAPI, getRentListAPI } from '@/api/park'
export default {
  name: 'Building',
  data() {
    return {
      exterpriseList: [], //  企业列表
      params: {
        page: 1,
        pageSize: 6,
        name: '' // 搜索关键词
      },
      total: 0, // 总条数
      showDialog: false, // 是否显示添加合同弹窗
      rentForm: {
        buildingId: null, // 楼宇id
        contractId: null, // 合同id
        contractUrl: '', // 合同附件
        enterpriseId: null, // 企业名称
        type: 0, // 类型：0：租赁，1：购买
        rentTime: [] // 租用时间
      },
      rules: {
        buildingId: [
          { required: true, message: '请选择楼宇', trigger: 'change' }
        ],
        contractId: [
          { required: true, message: '请上传合同文件' }
        ],
        rentTime: [
          { required: true, message: '请选择日期', trigger: 'change' }
        ]
      },
      buildList: [], // 楼宇列表
      contractList: [], // 合同列表
      // 格式化 tag 类型
      formatInfoType(status) {
        const MAP = {
          0: 'warning',
          1: 'success',
          2: 'info',
          3: 'danger'
        }
        // return 格式化之后的中文显示
        return MAP[status]
      },
      // 格式化 status
      formatStatus(type) {
        const TYPEMAP = {
          0: '待生效',
          1: '生效中',
          2: '已到期',
          3: '已退租'
        }
        return TYPEMAP[type]
      }
    }
  },
  mounted() {
    this.getExterpriseList()
  },
  methods: {
    // 获取企业列表
    async getExterpriseList() {
      const res = await getEnterpriseListAPI(this.params)
      this.exterpriseList = res.data?.rows.map((item) => {
        return {
          ...item,
          rentList: [] // 每一行补充存放合同的列表
        }
      })
      this.total = res.data?.total
    },
    // 切换页码
    changePage(page) {
      this.params.page = page
      this.getExterpriseList()
    },
    // 搜索
    doSearch() {
      this.params.page = 1
      this.getExterpriseList()
    },
    // 携带id跳转
    editRent(id) {
      this.$router.push({
        path: '/enterpriseAdd',
        query: {
          id
        }
      })
    },
    // 删除
    delExterprise(id) {
      this.$confirm('确认删除该企业吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        await delEnterpriseAPI(id)
        this.getExterpriseList()
        this.$message({
          type: 'success',
          message: '删除成功!'
        })
      })
    },
    // 打开弹窗
    async openDialog(id) {
      this.showDialog = true
      // 获取楼宇列表
      const res = await getRentBuildListAPI()
      this.buildList = res.data
      // 对象中存入企业id
      this.rentForm.enterpriseId = id
    },
    // 关闭弹窗
    closeDialog() {
      // 弹窗框关闭
      this.showDialog = false
      this.$refs.addFormRef.resetFields() // 重置表单
      this.rentForm.contractId = ''
      this.rentForm.contractUrl = ''
      this.contractList = []
    },
    // 确认添加合同
    async confirmAdd() {
      // 1. 表单校验
      await this.$refs.addFormRef.validate()
      // 2. 提交数据
      const { buildingId, contractId, contractUrl, enterpriseId, type } = this.rentForm
      await createRentAPI({
        buildingId, contractId, contractUrl, enterpriseId, type,
        startTime: this.rentForm.rentTime[0],
        endTime: this.rentForm.rentTime[1]
      })
      // 3. 提示添加
      this.$message.success('添加成功')
      // 4. 更新列表
      this.getExterpriseList()
      // 5. 关闭弹窗
      this.closeDialog()
    },
    // 上传合同前验证
    beforeUpload(file) {
      const allowImgType = ['application/pdf', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/msword'].includes(file.type)
      const isLt5M = file.size / 1024 / 1024 < 5
      if (!allowImgType) {
        this.$message.error('上传合同只能是 .doc, .pdf格式!')
      }
      if (!isLt5M) {
        this.$message.error('上传合同大小不能超过 5MB!')
      }
      return allowImgType && isLt5M
    },
    // 上传合同
    async uploadHandle(fileData) {
      // 1. 处理formData
      const { file } = fileData
      const fd = new FormData()
      fd.append('file', file)
      fd.append('type', 'contract')
      // 2. 上传
      const res = await uploadAPI(fd)
      const { id, url } = res.data
      this.rentForm.contractId = id
      this.rentForm.contractUrl = url
      this.contractList.push({ name: file.name, url })
      // 单独校验表单
      this.$refs.addFormRef.validateField('contractId')
    },
    // 展开获取数据进行绑定
    // row当前展开那行表格的数据对象
    // rows当前展开表格所有数据
    async expandHandle(row, rows) {
      // rows 中包含当前展开行数据，说明是展开状态
      const isExpend = rows.find(item => item.id === row.id)
      // 因为展开/关闭都会触发此事件函数，做个判断只有展开时获取数据
      if (isExpend) {
        const res = await getRentListAPI(row.id)
        res.data.forEach(obj => {
          row.rentList.push(obj)
        })
      } else {
        // 关闭时，把当前行的合同列表清空，防止下次打开不断push
        row.rentList.splice(0)
      }
    },
    // 退租
    outRent(rentId) {
      this.$confirm('确认退租吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        // 1. 调用接口
        await outRentAPI(rentId)
        // 2. 重新拉取列表
        this.getExterpriseList()
        this.$message({
          type: 'success',
          message: '退租成功!'
        })
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    },
    // 删除合同
    async delRent(rentId) {
      this.$confirm('确认删除该合同吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        // 1. 调用接口
        await delRentAPI(rentId)
        // 2. 重新拉取列表
        this.getExterpriseList()
        // 3. 删除成功
        this.$message.success('删除成功')
      })
    }
  }
}
</script>
<style lang="scss" scoped>
  .department-container {
    padding: 10px;
  }

  .search-container {
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgb(237, 237, 237, .9);
    ;
    padding-bottom: 20px;

    .search-label {
      width: 100px;
    }

    .search-main {
      width: 220px;
      margin-right: 10px;
    }
  }
  .create-container{
    margin: 10px 0px;
  }
  .page-container{
    padding:4px 0px;
    text-align: right;
  }
  .form-container{
    padding:0px 80px;
  }
  </style>
